CANT 2014: The twelfth annual Workshop on Combinatorial and Additive Number Theory (CANT 2014) will take place on May 27-30, 2014, at the CUNY Graduate Center in New York. For more information, please contact Mel Nathanson at melvyn.nathanson@lehman.cuny.edu

Atkin Memorial Lecture and Workshop: Cohen-Lenstra Heuristics (Atkin Memorial Lecture: Akshay Venkatesh), May 3-5, 2013, University of Illinois at Chicago (this will be funded by the NSF, with funding available for participants)

Workshop on Combinatorial and Additive Number Theory (CANT 2009): The seventh annual meeting will run from Tuesday, May 26, to Saturday, May 30, at the CUNY Graduate Center in New York. Abstracts of the lectures and the program are posted on www.theoryofnumbers.com. For more information, please email melvyn.nathanson@lehman.cuny.edu